/Engine/Source/Runtime/MeshDescription/Public/MeshDescriptionBase.h
Returns the polygons connected to this edge
void GetEdgeConnectedPolygons ( [FEdgeID](API\Runtime\MeshDescription\FEdgeID) EdgeID, [TArray](API\Runtime\Core\Containers\TArray)< [FPolygonID](API\Runtime\MeshDescription\FPolygonID) > & OutConnectedPolygonIDs ) const